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Information Journal Paper

Title

STRUCTURAL SIGNIFICANCE OF QALE GHACHI SALTDOME ON SALINITY OF DASHT-E-DARIOUN'S GROUNDWATER

Pages

 Start Page 139 | End Page 158

Abstract

 North east–south west trending DARIOUN plain is a train that is located in the simply folded Zagros belt. The trends of its geological structures are parallel to general trend of Zagros.The sedimentary succession is composed of several rock units. The oldest belonging to Precambrian (Hormoz Formation) and the youngest one belonging to Pleistocene (Bakhtiary Formation). Uncemented alluvial deposits cover older rock units.The faults of study area mostly have many surface traces and they have been covered by alluvial or fluvial deposits.One of the most important geological structures is Qale Ghachi or Izadkhast saltdome which outcropps in the east of study area. It has been affected by basement faults, in south east of Zagros. It occurrs in the same direction as that Sarvestan salt dome.This salt dome has caused to propagate SALINITY in GROUNDWATER westwardly. So it has destructive effect on fresh GROUNDWATER source.The BAMO FAULT which has caused Dariun plain has coused to propaget SALINITY in GROUNDWATER of northern part of the plain.

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